io_wrapper_lseek
Last updated March 2020
Name
io_wrapper_lseek — Reposition read/write resource offset
Synopsis
#include "io_wrapper.h"
| int **io_wrapper_lseek** ( | io, | |
| | offset, | |
| | whence); | |
io_object * <var class="pdparam">io</var>;
off_t <var class="pdparam">offset</var>;
int <var class="pdparam">whence</var>;
Description
Reposition read/write resource offset. This function behaves like the system function lseek(2).
- io
-
The resource.
- offset
-
The offset relative to
whence. - whence
-
The value, such as
SEEK_SET, from where the offset will be calculated.
On success, this function returns the offset position in bytes; on failure it returns -1.
It is legal to call this function in any thread.
See Also
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